Preheat oven to 350°F
Finely dice the tomatoes, onion, chili and garlic.
Add the salt, cumin, and diced vegetables to the ground meat and mix well.
Cut each round of pita in half. Fill each pocket with a thin layer of meat inside. Brush the stuffed with olive oil and put on a sheet pan.
Bake for 7 minutes, then turn pitas over and bake for 5 minutes more.